Ben Davini created MPH-206:
------------------------------
Summary: help:effective-pom produces invalid xml (duplicate xml
declarations) when bound to a phase in the lifecycle
Key: MPH-206
URL: https://issues.apache.org/jira/browse/MPH-206
Project: Maven Help Plugin
Issue Type: Bug
Components: effective-pom
Affects Versions: 3.4.0
Reporter: Ben Davini
When the maven-help-plugin is invoked as part of the maven lifecycle (see
configuration below), it produces xml with 2 XML version declarations, like
this (generated with 'mvn clean install'):
{code:java}
<?xml version="1.0" encoding="UTF-8"?><!--
====================================================================== --><!--
--><!--
Generated by Maven Help Plugin --><!--
See: https://maven.apache.org/plugins/maven-help-plugin/ --><!--
--><!--
====================================================================== --><!--
====================================================================== --><!--
--><!--
Effective POM for project --><!--
'<project coordinates>' --><!--
--><!--
====================================================================== -->
<?xml version="1.0" encoding="UTF-8"?>
<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
https://maven.apache.org/xsd/maven-4.0.0.xsd";
xmlns="http://maven.apache.org/POM/4.0.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";> {code}
When invoked via the command line (mvn help:effective-pom
-Doutput=effective-pom.xml), the xml produced is valid (note no duplicate xml
declaration before the 'project' declaration):
{code:java}
<?xml version="1.0" encoding="UTF-8"?><!--
====================================================================== --><!--
--><!--
Generated by Maven Help Plugin --><!--
See: https://maven.apache.org/plugins/maven-help-plugin/ --><!--
--><!--
====================================================================== --><!--
====================================================================== --><!--
--><!--
Effective POM for project --><!--
'<project coordinates>' --><!--
--><!--
====================================================================== -->
<project xmlns="http://maven.apache.org/POM/4.0.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
https://maven.apache.org/xsd/maven-4.0.0.xsd";> {code}
{{Configuration as part of lifecycle:}}
{code:java}
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-help-plugin</artifactId>
<version>${maven-help-plugin.version}</version>
<executions>
<execution>
<id>effective-pom</id>
<phase>verify</phase>
<goals>
<goal>effective-pom</goal>
</goals>
<configuration>
<output>${project.build.directory}/effective-pom.xml</output>
<verbose>true</verbose>
</configuration>
</execution>
</executions>
</plugin> {code}
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